Chemistry
Grade-9
Easy
Question
Which one of the following is correct according to the PV vs P graph of a gas?
- Parabola
- Hyperbola
- Straight line
- Straight line parallel to x-axis
Hint:
The graph of ideal gas defer from real gases.
The correct answer is: Straight line parallel to x-axis
The correct option is d)Straight line parallel to x-axis.
A pV-p plot is a straight line parallel to the x-axis. The figure above shows graphs generated from real data for some gases at 273 K. Looking at the graph, we can see that at constant temperature the pV vs p plot is not a straight line for real gases.
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